Atmosphere to PSI Converter
Convert standard atmospheres to pounds per square inch instantly with a pressure calculator built for engineering checks, tire pressure, HVAC work, barometric readings, hydraulics, and technical reference.
atm to psi Calculator
Enter a pressure value and get the converted result automatically.
Result updates automatically.
Formula: pounds per square inch = standard atmospheres × 14.6959487755
How to Convert Atmosphere to PSI
Use the standard pressure conversion factor: multiply standard atmospheres by 14.6959487755 to get pounds per square inch. This reference is useful for tire pressure, industrial gauges, weather data, medical readings, fluid systems, and scientific calculations.
1 standard atmosphere
14.6959487755 pounds per square inch
10 standard atmospheres
146.9594877551 pounds per square inch
100 standard atmospheres
1469.5948775514 pounds per square inch
Pressure Formula Notes
The calculator converts through pascals as the SI base pressure unit, then formats the result for the selected output unit.
atm to PSI Converter FAQ
How do I convert atm to psi?
Multiply the atm value by 14.6959487755 to get psi. The calculator performs this automatically and keeps useful precision.
Which pressure units are supported?
This tool supports psi, bar, kPa, Pa, MPa, mmHg, and standard atmosphere units for common engineering and measurement tasks.
Can I reverse the pressure conversion?
Yes. Use the swap button to reverse the selected units and convert psi back to atm.